Question
| i | Probiotic | (a) | Kuru |
| ii | Preservation | (b) | Methanogen |
| iii | Prion | (c) | Curd |
| iv | Biogas | (d) | Sugar |
| i | Probiotic | (a) | Kuru |
| ii | Preservation | (b) | Methanogen |
| iii | Prion | (c) | Curd |
| iv | Biogas | (d) | Sugar |
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| Universal solvent | Water pollutant |
| Hard water | Kills germs |
| Boiling | Ozonisation |
| Sterilization | Water |
| Sewage | Stomach ailments |
| 1. | Nitrogen | (a) | Acid rain |
| 2. | $CO _2$ | (b) | Global warming |
| 3. | Melting of glaciers | (c) | Volcanic gases |
| 4. | Corrosion of bridges | (d) | Aerated drinks |
| i | Softest metal | (a) | Copper |
| ii | Hardest metal | (b) | Sodium |
| iii | Hardest non – metal | (c) | Osmium |
| iv | Ductility | (d) | Diamond |
| Barometer | reduce friction |
| Increasing area of contact | Atmospheric pressure |
| Decreasing area of contact | cause of friction |
| Lubricants | increases friction |
| Irregular surface | decreases friction |
| i | Pyricularia | (a) | Mosses |
| ii | Cercospora | (b) | Blast disease |
| iii | Protonema | (c) | Tikka disease |
| iv | Dryopteris | (d) | Fem |
| 1. | Ball & socket | (a) | Elbow |
| 2. | Saddle | (b) | Spine |
| 3. | Hinge | (c) | Thumb |
| 4. | Gliding | (d) | Hip |
| i | Solanum trilobatum | (a) | Fungi |
| ii | Vitamin $B_2$ | (b) | Rhizopus |
| iii | Saprophyte | (c) | Laminaria |
| iv | Fodder | (d) | TB |